Write a method that returns the longest common prefix of two strings. For example, the longest common prefix of distance and disinfection is dis. The header of the method is:def prefix(s1, s2)If the two strings have no common prefix, the method returns an empty string.Write a main method that prompts the user to enter two strings and displays their common prefix.

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Write a method that returns the longest common prefix of two strings. For example, the longest common prefix of distance and disinfection is dis. The header of the method is:
def prefix(s1, s2)
If the two strings have no common prefix, the method returns an empty string.
Write a main method that prompts the user to enter two strings and displays their common prefix.

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